diff --git a/dev/demo/relationsdemo.js b/dev/demo/relationsdemo.js
index 7519ffe..7ad00a4 100644
--- a/dev/demo/relationsdemo.js
+++ b/dev/demo/relationsdemo.js
@@ -314,7 +314,7 @@
   }
 });
 
-require(['match/relations', 'match/tree'], function (relClass, treeClass) {
+require(['match/treearc', 'match/treehierarchy'], function (relClass, treeClass) {
   var rel = relClass.create();
 
   /*